AT28HC256-70UL
EEPROM, 32KX8, 70ns, Parallel, CMOS, CPGA28Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's AT28HC256-70UL is a 256K (32K x 8) parallel Electrically Erasable Programmable Read-Only Memory (EEPROM) device. This CMOS component features a 70ns maximum access time and operates from a 4.5V to 5.5V supply. The AT28HC256 series supports automatic write operations, simplifying data storage. It is packaged in a 28-pin Ceramic Pin Grid Array (CPGA) with a terminal pitch of 2.54mm, suitable for applications in industrial control, telecommunications infrastructure, and medical equipment. The device offers asynchronous operation and 3-state outputs.
Additional Information
Series: AT28HC256RoHS Status: RoHS CompliantManufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 14.0000 |
| Technology | CMOS |
| Length | 16.5000 |
| Access_Time_Max | 70.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| JESD_30_Code | R-CPGA-P28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | PGA |
| Package_Shape | Rectangular |
| Package_Style | GRID ARRAY |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Seated_Height_Max | 4.4000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | PIN/PEG |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Perpendicular |
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